GB660579A - Improvements in or relating to devices for phase modulation of electric oscillations - Google Patents

Improvements in or relating to devices for phase modulation of electric oscillations

Info

Publication number
GB660579A
GB660579A GB7252/48A GB725248A GB660579A GB 660579 A GB660579 A GB 660579A GB 7252/48 A GB7252/48 A GB 7252/48A GB 725248 A GB725248 A GB 725248A GB 660579 A GB660579 A GB 660579A
Authority
GB
United Kingdom
Prior art keywords
circuit
phase
variable
bridge
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7252/48A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autophon AG
Original Assignee
Autophon AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Autophon AG filed Critical Autophon AG
Publication of GB660579A publication Critical patent/GB660579A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)
  • Networks Using Active Elements (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB7252/48A 1947-03-10 1948-03-09 Improvements in or relating to devices for phase modulation of electric oscillations Expired GB660579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH660579X 1947-03-10

Publications (1)

Publication Number Publication Date
GB660579A true GB660579A (en) 1951-11-07

Family

ID=4526859

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7252/48A Expired GB660579A (en) 1947-03-10 1948-03-09 Improvements in or relating to devices for phase modulation of electric oscillations
GB17341/50A Expired GB660645A (en) 1947-03-10 1948-03-09 Improvements in or relating to devices for phase modulation of electric oscillations

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB17341/50A Expired GB660645A (en) 1947-03-10 1948-03-09 Improvements in or relating to devices for phase modulation of electric oscillations

Country Status (6)

Country Link
US (1) US2561455A (forum.php)
BE (1) BE481048A (forum.php)
CH (2) CH267231A (forum.php)
DE (2) DE838913C (forum.php)
FR (1) FR962988A (forum.php)
GB (2) GB660579A (forum.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146292A (en) * 1954-03-08 1964-08-25 Don L Bonham Electrical vibrato and tremolo devices
DE1287642B (forum.php) * 1964-12-18 1969-01-23

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1950406A (en) * 1929-05-07 1934-03-13 Frederick W Hoorn Method and apparatus for controlling electrical waves
US1901694A (en) * 1930-08-27 1933-03-14 Gen Electric Phase shifting circuits
US1900538A (en) * 1930-08-27 1933-03-07 Gen Electric Phase shifting circuits
US2045107A (en) * 1932-12-02 1936-06-23 Rca Corp Phase modulation
US2042234A (en) * 1934-08-08 1936-05-26 Westinghouse Electric & Mfg Co Electric control system
US2125127A (en) * 1935-11-09 1938-07-26 Rca Corp Electric phase controlling circuit
US2160528A (en) * 1937-02-23 1939-05-30 Rca Corp Phase or frequency modulated transmitter

Also Published As

Publication number Publication date
FR962988A (forum.php) 1950-06-28
US2561455A (en) 1951-07-24
DE838913C (de) 1952-05-12
DE838147C (de) 1952-03-27
BE481048A (forum.php)
CH270715A (de) 1950-09-15
CH267231A (de) 1950-03-15
GB660645A (en) 1951-11-07

Similar Documents

Publication Publication Date Title
US2275452A (en) Stabilized vacuum tube oscillator
GB660579A (en) Improvements in or relating to devices for phase modulation of electric oscillations
US2558214A (en) Oscillation generator for frequency-modulation transmission systems
US1639000A (en) Wave modulation
GB832528A (en) End stop circuit for servo systems
US2407293A (en) Frequency modulation
GB739107A (en) Improvements in or relating to transistor mixing circuit arrangements
GB363904A (en) Improvements in or relating to high frequency transmission systems
GB1232844A (forum.php)
US3783412A (en) Active band pass filter having continuously variable pass band
GB627630A (en) Polyphase frequency modulators
GB669223A (en) Improvements in or relating to modulator circuits
GB665364A (en) Improvements in or relating to circuit-arrangements for deriving voltages exhibitinga relative phase difference from a control voltage of varying frequency
US2170812A (en) Frequency modulation
GB565403A (en) Improvements in and relating to phase modulators
US2498059A (en) Modulation of high-frequency generators
US2814780A (en) Bridge-type modulator mixer
US2194532A (en) Phase modulation
US2536330A (en) Signaling system
US3373381A (en) Transmission line phase modulator
US3363204A (en) Frequency determining circuit of a frequency shift oscillator
US3845429A (en) Self-tuning units
US2641632A (en) Impedance measuring instrument
US2577297A (en) Signaling system
GB589659A (en) Improvements in piezoelectric crystal arrangements